DFU

DFU refers to the process of upgrading device firmware. The SDK supports:

• OTA via Bluetooth.

• CFU via USB HID or BR/EDR HID.

The functions of DFU include:

1. Fixing bugs or vulnerabilities in the device.

2. Adding new features or improving existing ones.

3. Optimizing device performance.

4. Updating device security to protect against new threats.

For more information about OTA and CFU, please refer to the following documents:

• OTA
• CFU